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Find Air conditioning pros in North Weymouth

Avatar for Venture Mechanical
Venture Mechanical
5.0(
18
)
Central A/C - InstallCentral Humidifier - Install or ReplaceDuctless Mini-split A/C - Install or Replace

Serving North Weymouth, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Dylan is very reliable and knowledgeable. He has provided plumbing services many times for us and I wouldn't use anyone but him. The service is exceptional and pricing is extremely fair. I highly recommend Venture Mechanical for any plumbing, heating, or air conditioning needs that you may have."
Steam Boiler Install
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+27

Response time2 days
Response rate100%
7 neighbors recently requested a quote
Avatar for Pro Heating & Cooling
Pro Heating & Cooling
4.9(
25
)
Ductless Mini-split A/C - Install or Replace

Serving North Weymouth, MA and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"I highly recommend Pro Heating & Cooling . The owner recognized my need for the timely installation of a new boiler system, when other companies callously gave me a window of 3-4 weeks in the middle of freezing weather. To aid the process, the owner also took care of the paperwork needed to apply for a loan, and rebates. This was a complex job, but this company has the teams/expertise necessary to complete the work efficiently."
Oil Boiler Replacement
Single zone DMS
Single zone DMS
Two  Tankless Water Heaters
Response time2 days
5 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Green Flow Solution, Inc.
Green Flow Solution, Inc.
5.0(
13
)
Central A/C - Service or Repair

Serving North Weymouth, MA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

With years of experience and unmatched expertise, Green Flow Solutions is proud to be a locally owned and operated business serving Newton and the surrounding community. Since opening our doors we have built our company by providing customers with the highest quality products and service, at a fair price. From installs and replacements, to service and repair, our customers can count on our techs to be timely, tidy, and that they will be 100% satisfied with the work once completed. Let us show you the Green Flow Solutions difference, get in touch today! \n-$99 diagnostic fee applied to job when hired

Response time3 hrs
Avatar for A1 HVAC Plus
A1 HVAC Plus
4.1(
52
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving North Weymouth, MA and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

"After my experience with Arthur I would try to hire him for my next home heating or air conditioning needs excellent service great modern and efficient equipment, fast response, attention to detail. thanks for helping me out Arthur. Richard B.Pembroke MA."
Work Completed
Work Completed
Condenser Installs
Mitsubishi Certification
Fujitsu Certification

+2

Response time1 day
2 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for ENDLESS ENERGY NEW ENGLAND, INC.
ENDLESS ENERGY NEW ENGLAND, INC.
4.7(
20
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair+4 more

Serving North Weymouth, MA and surrounding areas

Approved

In business since 1980

Free estimates

Emergency services offered

Endless Energy is a trusted local HVAC and Plumbing Company servicing the majority of the state of Massachusetts with office in Marlborough, Needham, and Randolph. Specializing in Heat Pumps, Central AC, Furnaces, and Boilers, we have Master Plumbers, Electricians, and HVAC Technicians all under one roof reducing your need to find multiple contractors! We are also a Mass Save partner and can conduct your no cost Mass Save Home Energy Assessment and install any recommended insulation.\n\nWe can help you with: \n*Heating Repairs, Installation, & Service\n*AC Repairs, Installation, & Service\n*Plumbing Repairs, Installation & Service\n*Water Heater Replacement & Service\n*Indoor Air Quality Solutions\n*Ductwork & Line Set Solutions\n*Electrical Panel Upgrades and Replacement\n*Insulation \n*No Cost Home Energy Assessments\n\nA Mass Save certified contractor with an A+BBB rating. All of our skilled technicians undergo an extensive background and drug screening prior to being hired to our team!

Holliston Heat Pump
Boston Heat Pump
Natick Ducted System
240 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for RLF Heating & Cooling Inc.
RLF Heating & Cooling Inc.
4.9(
10
)
Central A/C - Service or RepairCentral A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving North Weymouth, MA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Bob did a new mini split install for me and I couldn't be happier with the work. He was professional, timely, and had excellent communication. He was also very knowledgeable and made some great recommendations for the project. I'd recommend him to anyone looking for HVAC work."
Response time6 hrs
Response rate97%
5 neighbors recently requested a quote
Avatar for BK Appliances
BK Appliances
4.4(
811
)
Central A/C - Service or Repair

Serving North Weymouth, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Emergency services offered

Customers say: Quick response

"Absolutely fantastic job installing my new furnace. They knew we had family visiting during a humid stretch of weather and stayed late night to get our central air back online. Cannot recommend these folks enough."
Response time5 hrs
Response rate100%
Recommended by94%of homeowners
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FAQs for air conditioning projects in North Weymouth, MA

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The North Weymouth, MA homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.